🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.43 AU - 0.59 AU

Year: 137 Days

Day: 19.4 Hours

Environment

Temp: 229 °C

Axial Tilt: 36.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.84 AU

Year: 225 Days

Day: 12.3 Hours

Environment

Temp: 147 °C

Axial Tilt: 42.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.43 AU - 1.59 AU

Year: 699 Days

Day: 35.6 Hours

Environment

Temp: -43 °C

Axial Tilt: 48.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.61 AU - 2.67 AU

Year: 1179 Days

Day: 38.4 Hours

Environment

Temp: -79 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.98 AU - 3.12 AU

Year: 1534 Days

Day: 44.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,143,547 km

• M1: 522,246 km (0.07 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.36 AU - 3.4 AU

Year: 1841 Days

Day: 27.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,143,547 km

• M1: 2,798,827 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.87 AU - 3.99 AU

Year: 2393 Days

Day: 25.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 10.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.91 AU - 7.23 AU

Year: 6344 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 46,143,547 km

• M1: 191,036 km (0.085 R)
• M2: 364,121 km (0.055 R)
• M3: 598,242 km (0.119 R)
• M4: 963,560 km (0.081 R)
• M5: 1,099,993 km (0.105 R)
• M6: 1,164,171 km (0.113 R)
• M7: 1,269,787 km (0.079 R)
• M8: 1,476,681 km (0.069 R)
• M9: 1,591,721 km (0.101 R)
• M10: 2,310,240 km (0.11 R)
• M11: 2,529,999 km (0.115 R)
• M12: 2,863,602 km (0.111 R)
• M13: 3,457,207 km (0.041 R)
• M14: 3,650,487 km (0.111 R)
• M15: 3,748,474 km (0.1 R)
• M16: 3,847,358 km (0.074 R)
• M17: 4,047,819 km (0.118 R)
• M18: 4,396,382 km (0.106 R)
• M19: 4,500,802 km (0.032 R)
• M20: 4,690,940 km (0.032 R)
• M21: 5,410,357 km (0.064 R)
• M22: 5,499,966 km (0.093 R)
• M23: 5,726,158 km (0.119 R)
• M24: 5,817,412 km (0.102 R)
• M25: 6,117,506 km (0.049 R)
• M26: 6,257,829 km (0.107 R)
• M27: 6,637,059 km (0.086 R)
• M28: 6,781,271 km (0.073 R)
• M29: 6,877,912 km (0.078 R)
• M30: 7,048,154 km (0.097 R)
• M31: 7,121,607 km (0.081 R)
• M32: 7,219,892 km (0.112 R)
• M33: 8,124,960 km (0.095 R)
• M34: 8,202,002 km (0.107 R)
• M35: 8,486,538 km (0.027 R)
• M36: 8,669,346 km (0.1 R)
• M37: 9,279,257 km (0.09 R)
• M38: 9,494,528 km (0.085 R)
• M39: 9,602,837 km (0.052 R)
• M40: 10,095,313 km (0.114 R)
• M41: 10,178,340 km (0.102 R)
• M42: 10,344,693 km (0.097 R)
• M43: 10,821,312 km (0.083 R)
• M44: 10,991,255 km (0.096 R)
• M45: 11,104,949 km (0.117 R)
• M46: 11,190,519 km (0.093 R)
• M47: 11,362,407 km (0.094 R)
• M48: 11,506,320 km (0.113 R)
• M49: 11,766,770 km (0.092 R)
• M50: 11,941,650 km (0.098 R)
• M51: 12,087,807 km (0.097 R)
• M52: 12,323,125 km (0.104 R)
• M53: 12,411,836 km (0.116 R)
• M54: 12,828,317 km (0.064 R)
• M55: 13,068,272 km (0.101 R)
• M56: 14,074,168 km (0.044 R)
• M57: 14,197,885 km (0.115 R)
• M58: 14,321,752 km (0.055 R)
• M59: 14,727,312 km (0.1 R)
• M60: 15,168,177 km (0.114 R)
• M61: 15,358,465 km (0.095 R)
• M62: 15,901,805 km (0.105 R)
• M63: 16,095,085 km (0.03 R)
• M64: 16,679,714 km (0.088 R)
• M65: 17,470,039 km (0.099 R)
• M66: 18,003,655 km (0.08 R)
• M67: 18,070,824 km (0.091 R)
• M68: 18,205,163 km (0.04 R)
• M69: 18,712,300 km (0.071 R)
• M70: 18,848,285 km (0.076 R)
• M71: 19,189,667 km (0.086 R)
• M72: 19,705,630 km (0.084 R)
• M73: 20,121,811 km (0.046 R)
• M74: 20,261,087 km (0.079 R)
• M75: 20,786,624 km (0.036 R)
• M76: 20,856,935 km (0.089 R)
• M77: 21,033,311 km (0.087 R)
• M78: 21,565,281 km (0.054 R)
• M79: 21,743,602 km (0.035 R)
• M80: 22,353,512 km (0.083 R)
• M81: 22,823,698 km (0.083 R)
• M82: 23,005,460 km (0.105 R)
• M83: 23,297,325 km (0.039 R)
• M84: 23,663,690 km (0.106 R)
• M85: 24,216,903 km (0.106 R)
• M86: 25,111,050 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.9

Radius: 8.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.86 AU - 9.34 AU

Year: 10342 Days

Day: 5.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 46,143,547 km

• M1: 106,663 km (0.069 R)
• M2: 180,265 km (0.11 R)
• M3: 307,872 km (0.053 R)
• M4: 471,832 km (0.092 R)
• M5: 739,761 km (0.101 R)
• M6: 1,023,997 km (0.108 R)
• M7: 1,096,702 km (0.107 R)
• M8: 1,201,420 km (0.109 R)
• M9: 1,917,246 km (0.118 R)
• M10: 2,231,551 km (0.09 R)
• M11: 2,522,519 km (0.077 R)
• M12: 2,602,255 km (0.096 R)
• M13: 2,764,120 km (0.101 R)
• M14: 2,846,399 km (0.088 R)
• M15: 3,013,350 km (0.085 R)
• M16: 3,140,658 km (0.04 R)
• M17: 3,511,062 km (0.118 R)
• M18: 4,081,180 km (0.107 R)
• M19: 4,389,052 km (0.071 R)
• M20: 4,606,567 km (0.11 R)
• M21: 4,704,404 km (0.104 R)
• M22: 5,052,369 km (0.079 R)
• M23: 5,229,493 km (0.103 R)
• M24: 5,434,442 km (0.083 R)
• M25: 5,615,904 km (0.093 R)
• M26: 5,852,269 km (0.116 R)
• M27: 6,091,775 km (0.098 R)
• M28: 6,199,336 km (0.062 R)
• M29: 6,361,799 km (0.105 R)
• M30: 6,553,135 km (0.084 R)
• M31: 6,746,415 km (0.104 R)
• M32: 6,857,716 km (0.086 R)
• M33: 7,309,053 km (0.09 R)
• M34: 7,740,942 km (0.101 R)
• M35: 7,857,479 km (0.109 R)
• M36: 7,915,971 km (0.096 R)
• M37: 8,963,156 km (0.058 R)
• M38: 9,549,730 km (0.075 R)
• M39: 10,630,275 km (0.073 R)
• M40: 11,250,957 km (0.101 R)
• M41: 11,615,527 km (0.105 R)
• M42: 12,119,073 km (0.06 R)
• M43: 12,186,841 km (0.09 R)
• M44: 12,492,918 km (0.066 R)
• M45: 13,008,732 km (0.091 R)
• M46: 13,112,852 km (0.063 R)
• M47: 13,217,121 km (0.067 R)
• M48: 13,954,789 km (0.11 R)
• M49: 14,310,832 km (0.047 R)
• M50: 14,418,243 km (0.054 R)
• M51: 14,886,634 km (0.085 R)
• M52: 15,286,958 km (0.03 R)
• M53: 16,696,918 km (0.111 R)
• M54: 17,417,381 km (0.098 R)
• M55: 17,839,097 km (0.086 R)
• M56: 18,225,509 km (0.112 R)
• M57: 19,124,592 km (0.105 R)
• M58: 20,238,498 km (0.089 R)
• M59: 20,560,582 km (0.09 R)
• M60: 21,332,357 km (0.089 R)
• M61: 21,414,187 km (0.101 R)
• M62: 21,824,684 km (0.094 R)
• M63: 21,989,690 km (0.087 R)
• M64: 23,029,994 km (0.087 R)
• M65: 23,155,955 km (0.043 R)
• M66: 23,619,559 km (0.092 R)
• M67: 23,958,847 km (0.112 R)
• M68: 24,256,846 km (0.107 R)
• M69: 25,331,407 km (0.111 R)
• M70: 25,548,175 km (0.063 R)
• M71: 25,635,091 km (0.093 R)
• M72: 27,393,315 km (0.09 R)
• M73: 27,482,326 km (0.081 R)
• M74: 27,660,347 km (0.062 R)
• M75: 28,242,133 km (0.042 R)
• M76: 28,331,892 km (0.059 R)
• M77: 28,511,858 km (0.074 R)
• M78: 28,918,166 km (0.106 R)
• M79: 29,828,020 km (0.108 R)
• M80: 30,793,525 km (0.078 R)
• M81: 30,885,976 km (0.08 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 10.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 7.71 AU - 12.01 AU

Year: 11664 Days

Day: 12.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 46,143,547 km

• M1: 141,819 km (0.027 R)
• M2: 218,862 km (0.109 R)
• M3: 305,329 km (0.095 R)
• M4: 385,364 km (0.084 R)
• M5: 588,219 km (0.048 R)
• M6: 744,100 km (0.03 R)
• M7: 932,294 km (0.075 R)
• M8: 1,589,178 km (0.078 R)
• M9: 1,722,171 km (0.1 R)
• M10: 2,070,883 km (0.11 R)
• M11: 2,780,576 km (0.113 R)
• M12: 3,330,797 km (0.086 R)
• M13: 3,589,451 km (0.075 R)
• M14: 3,736,057 km (0.114 R)
• M15: 4,157,325 km (0.081 R)
• M16: 4,404,760 km (0.101 R)
• M17: 5,747,999 km (0.099 R)
• M18: 5,850,922 km (0.081 R)
• M19: 5,920,037 km (0.099 R)
• M20: 6,024,007 km (0.082 R)
• M21: 6,375,263 km (0.088 R)
• M22: 6,446,322 km (0.1 R)
• M23: 6,517,680 km (0.07 R)
• M24: 6,625,091 km (0.106 R)
• M25: 6,697,048 km (0.112 R)
• M26: 6,987,717 km (0.049 R)
• M27: 7,431,274 km (0.036 R)
• M28: 7,694,417 km (0.047 R)
• M29: 8,229,678 km (0.073 R)
• M30: 8,423,856 km (0.108 R)
• M31: 8,658,874 km (0.065 R)
• M32: 8,935,780 km (0.097 R)
• M33: 9,376,795 km (0.082 R)
• M34: 10,321,804 km (0.098 R)
• M35: 10,657,652 km (0.111 R)
• M36: 10,784,510 km (0.077 R)
• M37: 11,340,117 km (0.05 R)
• M38: 11,730,268 km (0.042 R)
• M39: 12,168,889 km (0.105 R)
• M40: 13,017,109 km (0.101 R)
• M41: 13,152,794 km (0.099 R)
• M42: 13,471,288 km (0.068 R)
• M43: 13,608,470 km (0.043 R)
• M44: 13,884,478 km (0.093 R)
• M45: 14,115,756 km (0.113 R)
• M46: 15,053,884 km (0.074 R)
• M47: 16,206,237 km (0.074 R)
• M48: 17,686,208 km (0.102 R)
• M49: 18,088,178 km (0.119 R)
• M50: 18,239,571 km (0.073 R)
• M51: 20,615,185 km (0.031 R)
• M52: 20,879,225 km (0.11 R)
• M53: 21,464,003 km (0.104 R)
• M54: 22,867,680 km (0.108 R)
• M55: 23,141,145 km (0.114 R)
• M56: 23,470,560 km (0.099 R)
• M57: 23,912,172 km (0.062 R)
• M58: 24,635,777 km (0.066 R)
• M59: 25,084,721 km (0.08 R)
• M60: 25,366,563 km (0.109 R)
• M61: 25,479,659 km (0.049 R)
• M62: 26,447,557 km (0.055 R)
• M63: 26,562,149 km (0.078 R)
• M64: 27,137,951 km (0.074 R)
• M65: 27,775,986 km (0.116 R)
• M66: 27,892,523 km (0.094 R)
• M67: 28,184,688 km (0.037 R)
• M68: 28,595,334 km (0.096 R)
• M69: 29,898,780 km (0.104 R)
• M70: 32,012,000 km (0.07 R)
• M71: 32,686,237 km (0.116 R)
• M72: 33,055,893 km (0.086 R)
• M73: 33,426,896 km (0.072 R)
• M74: 34,610,963 km (0.079 R)
• M75: 34,862,138 km (0.07 R)
• M76: 35,682,084 km (0.072 R)
• M77: 36,508,612 km (0.058 R)
• M78: 37,727,685 km (0.093 R)
• M79: 39,286,794 km (0.079 R)
• M80: 39,942,631 km (0.113 R)
• M81: 40,602,059 km (0.115 R)
• M82: 41,265,077 km (0.119 R)
• M83: 42,400,524 km (0.092 R)
• M84: 42,736,372 km (0.108 R)
• M85: 42,938,329 km (0.09 R)
• M86: 43,546,145 km (0.104 R)
• M87: 43,952,902 km (0.091 R)
• M88: 45,661,309 km (0.072 R)
• M89: 45,867,754 km (0.112 R)
• M90: 45,936,719 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,847 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit